Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    7.39608E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:16:10+0800
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    1 Object 1

    AOE ID 52999
    NORAD ID 52999
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68960
    NORAD ID 68960
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4217 STARLINK-36978
    Time of Closest Approach 2026-10-22T20:15:38+0000
    Collision Probability (Pc) 7.39608E-5
    Conjunction Distance (km) 0.7 km
    Relative Speed (km/s) 11.869 km/s
    Conjunction Risk Parameters R (Radial): -0.514 | I (In-track): 0.291 | C (Cross-track): -0.373
    Collision Risk Index (CRI) 0.72
    X Position (km) -3103.877 -3104.059
    Position Y (km) 5738.4 5737.741
    Position Z (km) -2068.824 -2068.677
    Velocity X (km/s) -5.072 -3.371
    Velocity Y (km/s) -0.71 -3.856
    Velocity Z (km/s) 5.658 -5.659

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4217 STARLINK-36978
    Semimajor Axis (a) 6840.877 km 6840.796 km
    Eccentricity (e) 0.000135 0.000273
    Inclination (i) 53.1581° 53.1550°
    RAAN 145.5461° 297.9278°
    Perigee Argument 91.4286° 82.9908°
    Mean Anomaly (M) 268.6871° 277.1405°
    Apogee 463.662 km 464.530 km
    Perigee 461.818 km 460.788 km
    Orbit Epoch 2026-10-19T23:34:25+0000 2026-10-20T00:10:09+0000

    STARLINK-4217 & STARLINK-36978 Collision Probability (Pc) Trend

    STARLINK-4217 & STARLINK-36978 Collision Probability (Pc) TrendNot Available

    STARLINK-4217 & STARLINK-36978 Miss Distance (Miss Distance) Trend

    STARLINK-4217 & STARLINK-36978 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4217Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36978Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4217Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36978Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4217

    No nearby objects data